545378627 has 2 divisors, whose sum is σ = 545378628. Its totient is φ = 545378626.

The previous prime is 545378621. The next prime is 545378653. The reversal of 545378627 is 726873545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545378627 - 2⁶ = 545378563 is a prime.

It is a super-3 number, since 3×545378627³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (545378621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272689313 + 272689314.

It is an arithmetic number, because the mean of its divisors is an integer number (272689314).

Almost surely, 2^545378627 is an apocalyptic number.

545378627 is a deficient number, since it is larger than the sum of its proper divisors (1).

545378627 is an equidigital number, since it uses as much as digits as its factorization.

545378627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 47.

The square root of 545378627 is about 23353.3429512779. The cubic root of 545378627 is about 817.0200317990.

The spelling of 545378627 in words is "five hundred forty-five million, three hundred seventy-eight thousand, six hundred twenty-seven".